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CVE-2026-49363

Apache Artemis, Apache ActiveMQ Artemis: Pre-Authentication Information Disclosure in CORE Protocol Topology Subscription PUBLISHED

Description (CNA)

An unauthenticated remote attacker connecting with the CORE protocol can discover cluster node details by sending a SUBSCRIBE_TOPOLOGY request prior to authentication. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users are recommended to upgrade to version 2.57.0, which fixes the issue.

Affected (CNA)

Vendor / productVersions
Apache Software Foundation / Apache Artemisaffected 2.50.0 through 2.56.0
Apache Software Foundation / Apache ActiveMQ Artemisaffected 1.0.0 through 2.44.0

CWE

CWE-306

References

ADP enrichment

CVE

No English description supplied.

CISA-ADP

No English description supplied.

No references supplied.